All things in your life stem from your happiness.

生活中一切因你的快乐而存在。

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All great failures in professional life stem from failures in conversation, particularly in critical moments.

职业生活中的一切重大的失败都是源于对话的失败，尤其是在关键时刻。

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Other groups, such as anti-abortion activists, consider stem cell research the taking of a human life because embryos must be destroyed to harvest the stem cells.

CNN: Bush to allow limited stem cell funding

Some opponents of the work believe that life begins at conception and that using stem cells is tantamount to killing a human.

CNN: Back on trail, Elizabeth Edwards pushes stem-cell funding

Her quality of life and life expectancy would be improved by a successful stem cell transplant.

BBC: New stem cell matching program for British Asians